Numericalsimulationofadiabaticshear

inbluntnoseprojectilepluggingtarget

JIANG Dong; LI Yong-chi

doi:10.11883/1001-1455(2011)01-0001-05

Volume 31 Issue 1

May 2014

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JIANG Dong, LI Yong-chi. Numericalsimulationofadiabaticshearinbluntnoseprojectilepluggingtarget[J]. Explosion And Shock Waves, 2011, 31(1): 1-5. doi: 10.11883/1001-1455(2011)01-0001-05

Citation:

JIANG Dong, LI Yong-chi. Numericalsimulationofadiabaticshear inbluntnoseprojectilepluggingtarget[J]. Explosion And Shock Waves, 2011, 31(1): 1-5. doi: 10.11883/1001-1455(2011)01-0001-05

JIANG Dong, LI Yong-chi. Numericalsimulationofadiabaticshearinbluntnoseprojectilepluggingtarget[J]. Explosion And Shock Waves, 2011, 31(1): 1-5. doi: 10.11883/1001-1455(2011)01-0001-05

Citation:

JIANG Dong, LI Yong-chi. Numericalsimulationofadiabaticshear inbluntnoseprojectilepluggingtarget[J]. Explosion And Shock Waves, 2011, 31(1): 1-5. doi: 10.11883/1001-1455(2011)01-0001-05

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Numericalsimulationofadiabaticshear inbluntnoseprojectilepluggingtarget

doi: 10.11883/1001-1455(2011)01-0001-05

JIANG Dong,
LI Yong-chi^,

1.
Departmentof ModernMechanics,UniversityofScienceandTechnologyofChina,

Funds:

NationalNaturalScienceFoundationofChina(10632080)

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Corresponding author: LI Yong-chi
Publish Date: 2011-01-25

Abstract

Abstract

Experimentshaveshownthatduringtheformationofadiabaticshear,becauseofhighlylocalizeddeformation, theheatgeneratedbyplasticworkcauseslocalizedhightemperatures,andsometimestheprocessmaybeaccompaniedbythephenomenonofdynamicre- crystallization.Basedonthis phenomenon,numericalsimulationsareperformedtosimulateaArnetool-steelbluntnoseprojectile pluggingaWeldox460thintarget,usingthefiniteelementmethod.Theadiabaticshearfailurecriterionisbasedonthehypothesisthatmaterialinsidetheshearbandregionundergoesadynamicre- crystallizationprocess. Numericalsimulationrevealstheadiabaticsheargenerationand propagation process.Thetemperaturedistributionshowsthattheadiabaticshearbandscanprovidephysicalconditionsforadynamicrecrystallizationprocess.

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